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LibWeb: Implement rejection by bounding box for PaintInnerBoxShadow

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Before this change we were painting inner shadows lying outside of
viewport.

Improves painting performance on Github and Twitter where this command
is used a lot.
This commit is contained in:
Aliaksandr Kalenik 2024-06-07 18:10:29 +03:00 • committed by Andreas Kling
commit 9be5867eb2
Notes: sideshowbarker 2024-07-16 23:03:06 +09:00
2 changed files with 6 additions and 0 deletions
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5
Userland/Libraries/LibWeb/Painting/Command.cpp
View file

@ -20,6 +20,11 @@ Gfx::IntRect PaintOuterBoxShadow::bounding_rect() const
return get_outer_box_shadow_bounding_rect(box_shadow_params); return get_outer_box_shadow_bounding_rect(box_shadow_params);
} }
Gfx::IntRect PaintInnerBoxShadow::bounding_rect() const
{
return box_shadow_params.device_content_rect;
}
void PaintOuterBoxShadow::translate_by(Gfx::IntPoint const& offset) void PaintOuterBoxShadow::translate_by(Gfx::IntPoint const& offset)
{ {
box_shadow_params.device_content_rect.translate_by(offset); box_shadow_params.device_content_rect.translate_by(offset);

1
Userland/Libraries/LibWeb/Painting/Command.h
View file

@ -149,6 +149,7 @@ struct PaintOuterBoxShadow {
struct PaintInnerBoxShadow { struct PaintInnerBoxShadow {
PaintBoxShadowParams box_shadow_params; PaintBoxShadowParams box_shadow_params;
[[nodiscard]] Gfx::IntRect bounding_rect() const;
void translate_by(Gfx::IntPoint const& offset); void translate_by(Gfx::IntPoint const& offset);
}; };